Books

Quotes

Blog

Author Program

Sign In

Sign Up

Directories: By Author By Tag Submit a Quote

Quotes Tagged "sine"

For me, politeness is a sine qua non of civilization.
— Robert A. Heinlein

Tags: politeness, sine, civilization, me

About
Contact Us
Terms and Conditions
Community Guidelines
Privacy Policy

© WSIRN 2025, Made with ❤ in Tokyo & Bali.